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Question
Carry out the following addition of a rational number.
`2 3/11 + 1 3/77`
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Solution
`2 3/11 + 1 3/77`
`= (2xx11+3)/11 + (1xx77+3)/77`
`= 25/11 + 80/77`
Now, LCM of 11 and 77 is 77.
`= 25/11 + 80/77`
`= (25 xx 7)/(11 xx 7) + (80 xx 1)/(77 xx 1)`
`= 175/77 + 80/77`
`= 255/77`
RELATED QUESTIONS
Find the sum:
`5/4 + ((-11)/4)`
Find the sum:
`-2 1/3 + 4 3/5`
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`6/11 "and" (-9)/11`
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`5/(-26) "and" 8/39`
Evaluate:
`2/3 + (-4)/5 + 1/3 + 2/5`
Evaluate:
`4/7 +0 + (-8)/9 + (-13)/7 + 17/9`
Solve:
`3 2/5 - 2 1/4`
Add: `-2/3 + 3/8`
Add: `2 1/7 + 3 8/14`.
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find x + (y + z).
